(function ($) {
	var supportedCSS = document.getElementsByTagName('head')[0].style
	var styles = document.getElementsByTagName('head')[0].style
	var toCheck = 'transformProperty WebkitTransform OTransform msTransform MozTransform'.split(' ')
	for (var a = 0; a < toCheck.length; a++) if (styles[toCheck[a]] !== undefined) supportedCSS = toCheck[a]
	var IE = false

	jQuery.fn.extend({
		rotate: function (parameters) {
			if (this.length === 0 || typeof parameters === 'undefined') return
			if (typeof parameters === 'number') {
				parameters = {angle: parameters}
			}
			var returned = []
			for (var i = 0, i0 = this.length; i < i0; i++) {
				var element = this.get(i)
				if (!element.Wilq32 || !element.Wilq32.PhotoEffect) {
					var paramClone = $.extend(true, {}, parameters)
					var newRotObject = new Wilq32.PhotoEffect(element, paramClone)._rootObj

					returned.push($(newRotObject))
				} else {
					element.Wilq32.PhotoEffect._handleRotation(parameters)
				}
			}
			return returned
		},
		getRotateAngle: function () {
			var ret = []
			for (var i = 0, i0 = this.length; i < i0; i++) {
				var element = this.get(i)
				if (element.Wilq32 && element.Wilq32.PhotoEffect) {
					ret[i] = element.Wilq32.PhotoEffect._angle
				}
			}
			return ret
		},
		stopRotate: function () {
			for (var i = 0, i0 = this.length; i < i0; i++) {
				var element = this.get(i)
				if (element.Wilq32 && element.Wilq32.PhotoEffect) {
					clearTimeout(element.Wilq32.PhotoEffect._timer)
				}
			}
		}
	})

	var Wilq32 = window.Wilq32 || {}
	Wilq32.PhotoEffect = (function () {
		if (supportedCSS) {
			return function (img, parameters) {
				img.Wilq32 = {
					PhotoEffect: this
				}

				this._img = this._rootObj = this._eventObj = img
				this._handleRotation(parameters)
			}
		} else {
			return function (img, parameters) {
				// Make sure that class and id are also copied - just in case you would like to refeer to an newly created object
				this._img = img

				this._rootObj = document.createElement('span')
				this._rootObj.style.display = 'inline-block'
				this._rootObj.Wilq32 =
					{
						PhotoEffect: this
					}
				img.parentNode.insertBefore(this._rootObj, img)

				if (img.complete) {
					this._Loader(parameters)
				} else {
					var self = this
					// TODO: Remove jQuery dependency
					jQuery(this._img).bind('load', function () {
						self._Loader(parameters)
					})
				}
			}
		}
	})()

	Wilq32.PhotoEffect.prototype = {
		_setupParameters: function (parameters) {
			this._parameters = this._parameters || {}
			if (typeof this._angle !== 'number') this._angle = 0
			if (typeof parameters.angle === 'number') this._angle = parameters.angle
			this._parameters.animateTo = (typeof parameters.animateTo === 'number') ? (parameters.animateTo) : (this._angle)

			this._parameters.step = parameters.step || this._parameters.step || null
			this._parameters.easing = parameters.easing || this._parameters.easing || function (x, t, b, c, d) {
				return -c * ((t = t / d - 1) * t * t * t - 1) + b
			}
			this._parameters.duration = parameters.duration || this._parameters.duration || 1000
			this._parameters.callback = parameters.callback || this._parameters.callback || function () {}
			if (parameters.bind && parameters.bind !== this._parameters.bind) this._BindEvents(parameters.bind)
		},
		_handleRotation: function (parameters) {
			this._setupParameters(parameters)
			if (this._angle === this._parameters.animateTo) {
				this._rotate(this._angle)
			} else {
				this._animateStart()
			}
		},

		_BindEvents: function (events) {
			if (events && this._eventObj) {
				// Unbinding previous Events
				if (this._parameters.bind) {
					var oldEvents = this._parameters.bind
					for (var a in oldEvents) {
						if (oldEvents.hasOwnProperty(a)) {
							// TODO: Remove jQuery dependency
							jQuery(this._eventObj).unbind(a, oldEvents[a])
						}
					}
				}
				this._parameters.bind = events
				for (var b in events) {
					if (events.hasOwnProperty(b)) {
						// TODO: Remove jQuery dependency
						jQuery(this._eventObj).bind(b, events[b])
					}
				}
			}
		},
		_Loader: (function () {
			if (IE) {
				return function (parameters) {
					var width = this._img.width
					var height = this._img.height
					this._img.parentNode.removeChild(this._img)

					this._vimage = (function () {
						document.createStyleSheet().addRule('.rvml', 'behavior:url(#default#VML)')
						try {
							!document.namespaces.rvml && document.namespaces.add('rvml', 'urn:schemas-microsoft-com:vml')
							return function () {
								return document.createElement('<rvml:image' + ' class="rvml">')
							}
						} catch (e) {
							return function () {
								return document.createElement('<image' + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">')
							}
						}
					})()
					this._vimage.src = this._img.src
					this._vimage.style.height = height + 'px'
					this._vimage.style.width = width + 'px'
					this._vimage.style.position = 'absolute' // FIXES IE PROBLEM - its only rendered if its on absolute position!
					this._vimage.style.top = '0px'
					this._vimage.style.left = '0px'

					/* Group minifying a small 1px precision problem when rotating object */
					this._container = (function () {
						document.createStyleSheet().addRule('.rvml', 'behavior:url(#default#VML)')
						try {
							!document.namespaces.rvml && document.namespaces.add('rvml', 'urn:schemas-microsoft-com:vml')
							return function () {
								return document.createElement('<rvml:group' + ' class="rvml">')
							}
						} catch (e) {
							return function () {
								return document.createElement('<group' + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">')
							}
						}
					})()
					this._container.style.width = width
					this._container.style.height = height
					this._container.style.position = 'absolute'
					this._container.setAttribute('coordsize', width - 1 + ',' + (height - 1)) // This -1, -1 trying to fix ugly problem with small displacement on IE
					this._container.appendChild(this._vimage)

					this._rootObj.appendChild(this._container)
					this._rootObj.style.position = 'relative' // FIXES IE PROBLEM
					this._rootObj.style.width = width + 'px'
					this._rootObj.style.height = height + 'px'
					this._rootObj.setAttribute('id', this._img.getAttribute('id'))
					this._rootObj.className = this._img.className
					this._eventObj = this._rootObj
					this._handleRotation(parameters)
				}
			} else {
				return function (parameters) {
					this._rootObj.setAttribute('id', this._img.getAttribute('id'))
					this._rootObj.className = this._img.className

					this._width = this._img.width
					this._height = this._img.height
					this._widthHalf = this._width / 2// used for optimisation
					this._heightHalf = this._height / 2// used for optimisation

					var _widthMax = Math.sqrt((this._height) * (this._height) + (this._width) * (this._width))

					this._widthAdd = _widthMax - this._width
					this._heightAdd = _widthMax - this._height
					this._widthAddHalf = this._widthAdd / 2 // used for optimisation
					this._heightAddHalf = this._heightAdd / 2// used for optimisation

					this._img.parentNode.removeChild(this._img)

					this._aspectW = ((parseInt(this._img.style.width, 10)) || this._width) / this._img.width
					this._aspectH = ((parseInt(this._img.style.height, 10)) || this._height) / this._img.height

					this._canvas = document.createElement('canvas')
					this._canvas.setAttribute('width', this._width)
					this._canvas.style.position = 'relative'
					this._canvas.style.left = -this._widthAddHalf + 'px'
					this._canvas.style.top = -this._heightAddHalf + 'px'
					this._canvas.Wilq32 = this._rootObj.Wilq32

					this._rootObj.appendChild(this._canvas)
					this._rootObj.style.width = this._width + 'px'
					this._rootObj.style.height = this._height + 'px'
					this._eventObj = this._canvas

					this._cnv = this._canvas.getContext('2d')
					this._handleRotation(parameters)
				}
			}
		})(),
		_animateStart: function () {
			if (this._timer) {
				clearTimeout(this._timer)
			}
			this._animateStartTime = +new Date()
			this._animateStartAngle = this._angle
			this._animate()
		},
		_animate: function () {
			var actualTime = +new Date()
			var checkEnd = actualTime - this._animateStartTime > this._parameters.duration

			// TODO: Bug for animatedGif for static rotation ? (to test)
			if (checkEnd && !this._parameters.animatedGif) {
				clearTimeout(this._timer)
			} else {
				if (this._canvas || this._vimage || this._img) {
					var angle = this._parameters.easing(0, actualTime - this._animateStartTime, this._animateStartAngle, this._parameters.animateTo - this._animateStartAngle, this._parameters.duration)
					this._rotate((~~(angle * 10)) / 10)
				}
				if (this._parameters.step) {
					this._parameters.step(this._angle)
				}
				var self = this
				this._timer = setTimeout(function () {
					self._animate()
				}, 10)
			}

			// To fix Bug that prevents using recursive function in callback I moved this function to back
			if (this._parameters.callback && checkEnd) {
				this._angle = this._parameters.animateTo
				this._rotate(this._angle)
				this._parameters.callback.call(this._rootObj)
			}
		},
		_rotate: (function () {
			var rad = Math.PI / 180
			if (IE) {
				return function (angle) {
					this._angle = angle
					this._container.style.rotation = (angle % 360) + 'deg'
				}
			} else if (supportedCSS) {
				return function (angle) {
					this._angle = angle
					this._img.style[supportedCSS] = 'rotate(' + (angle % 360) + 'deg)'
				}
			} else {
				return function (angle) {
					this._angle = angle
					angle = (angle % 360) * rad
					// clear canvas
					this._canvas.width = this._width + this._widthAdd
					this._canvas.height = this._height + this._heightAdd

					// REMEMBER: all drawings are read from backwards.. so first function is translate, then rotate, then translate, translate..
					this._cnv.translate(this._widthAddHalf, this._heightAddHalf)
					this._cnv.translate(this._widthHalf, this._heightHalf)
					this._cnv.rotate(angle)
					this._cnv.translate(-this._widthHalf, -this._heightHalf)
					this._cnv.scale(this._aspectW, this._aspectH) // SCALE - if needed ;)
					this._cnv.drawImage(this._img, 0, 0)
				}
			}
		})()
	}

	if (IE) {
		Wilq32.PhotoEffect.prototype.createVMLNode = (function () {
			document.createStyleSheet().addRule('.rvml', 'behavior:url(#default#VML)')
			try {
				!document.namespaces.rvml && document.namespaces.add('rvml', 'urn:schemas-microsoft-com:vml')
				return function (tagName) {
					return document.createElement('<rvml:' + tagName + ' class="rvml">')
				}
			} catch (e) {
				return function (tagName) {
					return document.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">')
				}
			}
		})()
	}
})(jQuery)
